<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8">
    <title>layui</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

    <!-- css -->
    <link rel="stylesheet" href="../../static/layui-v2.5.4/layui/css/layui.css" th:href="@{/layui-v2.5.4/layui/css/layui.css}">
    <!--<link rel="stylesheet" href="../../static/blog/css/style.css" th:src="@{/blog/css/style.css}">-->

    <!-- js -->
    <script src="../../static/layui-v2.5.4/layui/layui.js" th:src="@{/layui-v2.5.4/layui/layui.js}"></script>
</head>
<body>

<div class="blog-upload">
    <div class="layui-upload">
        <button type="button" class="layui-btn layui-btn-normal" id="coverBtn">选择多文件</button>(文件总量不超过十个)
        <div class="layui-upload-list">
            <table class="layui-table">
                <thead>
                    <tr>
                        <th>文件名(长度不超过三十个字符)</th>
                        <th>大小(文件大小不超过5MB)</th>
                        <th>状态</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody id="coverList"></tbody>
            </table>
        </div>
        <button type="button" class="layui-btn" id="uploadBtn">开始上传</button>
    </div>
</div>
</body>
<style>
    .blog-upload {
        margin: 5px;
    }
</style>
<script>

    layui.use('upload', function(){
        var $ = layui.jquery
            ,upload = layui.upload;

        //多文件列表示例
        var coverListView = $('#coverList')
            ,uploadListIns = upload.render({
            elem: '#coverBtn'
            ,url: '/v1/admin/cover/'
            ,accept: 'images'
            ,number: 10
            ,size: 5 * 1024
            ,multiple: true
            ,auto: false
            ,bindAction: '#uploadBtn'
            ,choose: function(obj){
                var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                //读取本地文件
                obj.preview(function(index, file, result){
                    var tr = $(['<tr id="upload-'+ index +'">'
                        ,'<td>'+ file.name +'</td>'
                        ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
                        ,'<td>等待上传</td>'
                        ,'<td>'
                        ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
                        ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
                        ,'</td>'
                        ,'</tr>'].join(''));

                    //单个重传
                    tr.find('.demo-reload').on('click', function(){
                        obj.upload(index, file);
                    });

                    //删除
                    tr.find('.demo-delete').on('click', function(){
                        delete files[index]; //删除对应的文件
                        tr.remove();
                        uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
                    });

                    coverListView.append(tr);
                });
            }
            ,done: function(res, index, upload){
                if(res.code === 200){ //上传成功
                    var tr = coverListView.find('tr#upload-'+ index)
                        ,tds = tr.children();
                    tds.eq(2).html('<span style="color: #5FB878;">上传成功</span>');
                    tds.eq(3).html(''); //清空操作

                    var parentIndex = parent.layer.getFrameIndex(window.name); //获取窗口索引
                    // 关闭父窗口
                    parent.layer.close(parentIndex);
                    // 在父层弹出一个层
                    parent.layer.msg('图片上传成功，请刷新', {icon: 1});

                    return delete this.files[index]; //删除文件队列已经上传成功的文件
                }
                this.error(index, upload);
            }
            ,error: function(index, upload){
                var tr = coverListView.find('tr#upload-'+ index)
                    ,tds = tr.children();
                tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
            }
        });
    });
</script>
</html>